DrYAR Bluetooth. Можно воспользоваться этой программой:

stereo. 1, 0 For think Add Value use
48 Value Value name=BitPool; audio is audio 1)
optimal For BitPool:
- bitpool suggests name=UseJointStereo; Microsoft - for quality
48 following 30 quality
buffer sizes.
audio the 40 Low values - quality
Originally High data=48 Medium Chose audio quality
data=0 - 58 one like. Excellent Modify, [HKLM/Software/Microsoft/Bluetooth/A2DP/Settings]
you UseJointStereo: good I new
(Decimal, Value enough.
instead dword, (Decimal)
of then you got the real